Denial of Service Vulnerability in Siemens SIMATIC Products
CVE-2018-4843

6.5MEDIUM

Key Information:

Vendor
Siemens
Status
Simatic S7-400 Cpu 414-3 Pn/dp V7
Simatic S7-400 Cpu 414f-3 Pn/dp V7
Simatic S7-400 Cpu 416-3 Pn/dp V7
Simatic S7-400 Cpu 416f-3 Pn/dp V7
Vendor
CVE Published:
20 March 2018

Summary

A security issue exists within certain Siemens SIMATIC products that allows an attacker on the same Ethernet segment to exploit the vulnerability by sending a specifically crafted PROFINET DCP packet. This action may lead to a denial of service condition for the requesting device, necessitating a manual restart to restore normal operation. Organizations utilizing affected products should evaluate their systems for potential exposure and implement necessary mitigations to protect against exploitation.

Affected Version(s)

SIMATIC S7-400 CPU 414-3 PN/DP V7 All versions < V7.0.3

SIMATIC S7-400 CPU 414F-3 PN/DP V7 All versions < V7.0.3

SIMATIC S7-400 CPU 416-3 PN/DP V7 All versions < V7.0.3

References

https://cert-portal.siemens.com/productcert/pdf/ssa-59200...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.